<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>书城首页</title>

    <%-- 静态包含 base标签、css样式、jQuery文件 --%>
    <%@ include file="/pages/common/head.jsp" %>
    <Script type="text/javascript">
        $(function () {
            // 给加入购物车按钮绑定单击事件
            $("button.addToCart").click(function () {
                /**
                 * 在事件响应的function函数 中，有一个this对象，这个this对象，是当前正在响应事件的dom对象
                 * @type {jQuery}
                 */
                var bookId = $(this).attr("bookId");
                location.href = "http://localhost:8080/book/cartServlet?action=addItem&id=" + bookId;

            });
        });
    </Script>

</head>
<body>

<div id="header">
    <a href="index.jsp"><img class="logo_img" alt="" src="static/img/logo.gif"></a>
    <span class="wel_word">网上书城</span>
    <div>
        <%--如果用户还没有登录，显示     【登录 和注册的菜单】 --%>
        <c:if test="${empty sessionScope.user}">
            <a href="pages/user/login.jsp">登录</a> |
            <a href="pages/user/regist.jsp">注册</a> &nbsp;&nbsp;
        </c:if>
        <%--如果已经登录，则显示 登录 成功之后的用户信息。--%>
        <c:if test="${not empty sessionScope.user}">
            <span>欢迎<span class="um_span">${sessionScope.user.username}</span>光临NERV书城</span>
            <a href="orderServlet?action=query">我的订单</a>
            <a href="userServlet?action=logout">注销</a>&nbsp;&nbsp;&nbsp;
        </c:if>

        <a href="pages/cart/cart.jsp">购物车</a>
        <a href="pages/manager/manager.jsp">后台管理</a>
    </div>
</div>

<div id="main">
    <div id="book">
        <div class="book_cond">
            <form action="client/bookServlet" method="get">
                <input type="hidden" name="action" value="pageByPrice">
                <%--                品名：<input id="s_name" type="text" style="width: 120px" value="${param.s_name}">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;--%>
                价格：<input id="min" type="text" name="min" value="${param.min}"> 元 -
                <input id="max" type="text" name="max" value="${param.max}"> 元
                <input type="submit" value="查询"/>
            </form>
        </div>
        <div style="text-align: center">
            <c:if test="${empty sessionScope.cart.items}">
                <%--购物车为空的输出--%>
                <span> </span>
                <div>
                    <span style="color: red">当前购物车为空</span>
                </div>
            </c:if>
            <c:if test="${not empty sessionScope.cart.items}">
                <%--购物车非空的输出--%>
                <span>您的购物车中有 ${sessionScope.cart.totalCount} 件商品</span>
                <div>
                    您刚刚将<span style="color: red">${sessionScope.lastName}</span>加入到了购物车中
                </div>
            </c:if>
        </div>

        <c:forEach items="${requestScope.page.items}" var="book">

            <div class="b_list">
                <a href="bookDetailServlet?action=getDetail&bookId=${book.id}">
                    <div class="img_div">
                        <img class="book_img" alt="" src="${book.imgPath}"/>
                    </div>
                </a>
                <div class="book_info">
                    <div class="book_name">
                        <span class="sp1">书名:</span>
                        <span class="sp2">${book.name}</span>
                    </div>
                    <div class="book_author">
                        <span class="sp1">作者:</span>
                        <span class="sp2">${book.author}</span>
                    </div>
                    <div class="book_price">
                        <span class="sp1">价格:</span>
                        <span class="sp2">￥${book.price}</span>
                    </div>
                    <div class="book_sales">
                        <span class="sp1">销量:</span>
                        <span class="sp2">${book.sales}</span>
                    </div>
                    <div class="book_amount">
                        <span class="sp1">库存:</span>
                        <span class="sp2">${book.stock}</span>
                    </div>

                    <div class="book_add">
                        <button bookId="${book.id}" class="addToCart">加入购物车</button>
                    </div>
                </div>
            </div>

        </c:forEach>
    </div>

    <%--静态包含分页条--%>
    <%@include file="/pages/common/page_nav.jsp" %>


</div>

<%--静态包含页脚内容--%>
<%@include file="/pages/common/footer.jsp" %>

</body>
</html>